{"coeffs": [-1.1179325962903411e-08, 0.1937574920875933, 1.2649731707169856, 0.06563760384509951], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.517214151949407e-08, 355.1124878135484, 120.55776443543044, 0.004273872019642667], "covariance": [[1.2370795390673184e-15, -5.045554191079716e-06, -1.713105941120968e-06, -7.726457451320993e-11], [-5.0455541911690525e-06, 126104.87900112754, 42811.56743422735, 1.45277168398578], [-1.7131059412056672e-06, 42811.56743422707, 14534.174565668736, 0.49321910545975683], [-7.72645745153545e-11, 1.4527716839580938, 0.4932191054504625, 1.826598204028449e-05]]}